On January 4, 1821, as the armies of Bernardo O'Higgins, Belfast-born, now of Chile, and Jose de San Martin of Argentina were in the middle of occupied Peru's fight for independence, a Spanish galleon filled with gold, silver, precious jewels and priceless artifacts left Lima's docks to begin the trip home to Seville. It was never heard from again. On May 1, 1915, only a few hours before the ocean liner Lusitania leaves on its ill-fated last run, a Canadian cop assigned counter-sabotage duty in New York Harbor makes record of a conversation regarding the sinking of one of the Lusitania's...